When you think “winter problem,” you probably picture burst pipes and blizzards—aka, not Houston. Our winters are mild, short, and a little moody. But here’s the twist: winter is when indoor air quality (IAQ) quietly becomes a big deal. We close windows, spend more time inside, kick on the heat—then recirculate the same air day after day. If your home’s air was a playlist, winter is when it gets stuck on repeat.